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  2. Volume 8, Issue 2
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ISSN: 1997-9428

Volume8, Issue2

Mechanical Properties of Welded Martensitic Stainless Steel (AISI420) Subject to Different Heat Treatment

    J. Jamal H. Ali S. Hareer

Anbar Journal for Engineering Sciences, 2020, Volume 8, Issue 2, Pages 94-100

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Abstract

The aim of this article is to investigate the properties for joints of welded martensitic stainless steel (MSS) by ER 309 L filler wire, using tungsten arc welding (Tig). The regions of the base and welded materials were investigated by means of SEM, EDS, OP and HV were conducted to calculate the properties of the welded specimens. The influence of heat and cryogenic treatments also investigated, The best results from microstructure side occurrence epitaxial grains growth which was observed along the interface of weld-metal region, the maximum hardness was (414 HV) in conventional heat treated samples that tempered at 200°C, precipitation of small carbides were observed that this is responsible for the improvement in the mechanical properties of the material. Hardness at the HAZ region in state of DCT in all weldments was reduced as compared to hardness of HAZ region of CHT. The microhardness was at the highest value in the fusion zone
Keywords:
    Martensitic Stainless Steel MSS Cryogenic Treatment Hardness Post Weld Heat Treatment PWHT
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(2020). Mechanical Properties of Welded Martensitic Stainless Steel (AISI420) Subject to Different Heat Treatment. Anbar Journal for Engineering Sciences, 8(2), 94-100.
J. Jamal; H. Ali; S. Hareer. "Mechanical Properties of Welded Martensitic Stainless Steel (AISI420) Subject to Different Heat Treatment". Anbar Journal for Engineering Sciences, 8, 2, 2020, 94-100.
(2020). 'Mechanical Properties of Welded Martensitic Stainless Steel (AISI420) Subject to Different Heat Treatment', Anbar Journal for Engineering Sciences, 8(2), pp. 94-100.
Mechanical Properties of Welded Martensitic Stainless Steel (AISI420) Subject to Different Heat Treatment. Anbar Journal for Engineering Sciences, 2020; 8(2): 94-100.
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Journal Information

Publisher: University of Anbar

Email:  ajes.uoanbar.edu.iq

Editor-in-chief: Prof. Dr. Yousif Al Mashhadany

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